Charles Stone (a.k.a.) The Woodhammer is a fictional comic book supervillain and an adversary of Frankenstein's. He injected his whole body with thorns and chemicals of plant life and became the Woodhammer.
A List of appearances throughout the series.
The Woodhammer debuts in Season 2, Episode 7, "Enter the Woodhammer." There Nightmare City is being covered with more and more plant life each minute. Frankenstein and co. goes to investigate but finds a man named Charles Stone. He reveals himself to be The Woodhammer and so he soon ambushes Frankenstein and starts fighting him around Nightmare City. It is even with the two but Frankenstein gets poisoned by the Woodhammer and so the Woodhammer captures him and weakens him even more. When Frankenstein is about to die, he tricks the Woodhammer into believing that freezing him would kill him in an instant. He does so and Frankenstein breaks out all healthy again. Percy and Jen then freezes the Woodhammer as Frankenstein dumps him into the water, where they hope he is never seen again.
The Woodhammer reappears in Season 5, Episode 7, "The Return of the Woodhammer, Part One." There, Dr. Zing and Mechanic found him and set him free. There, he captured them and made them steal things for him. After Frankenstein stops them, the Woodhammer comes back and easily defeats him. Frankenstein manages to get up but the Ravine also shows up. The Woodhammer defeats both Frankenstein and the Ravine with ease and goes on to fill the city with nothing but grass and plants. Next in Season 5, Episode 8, "The Return of the Woodhammer, Part Two," the Woodhammer completes his raid and places Percy, Jen, the Commissioner and Benjamin Kage in pods. Frankenstein goes through the ruins of the city and finds them. However, he fights their evil pod selves and barely able to come out victorious. When he rests, the Woodhammer comes and thrashes him about. After capturing Frankenstein, he plans to make a pod of him but Frankenstein overwhelms it and busts out. He then saves the others and defeats the Woodhammer by burning all of the plant life, traumatizing him. He is then placed behind bars where he is still in shock.
The Woodhammer returns in Season 7, Episode 5, "The Malevolant Phantom." Charles escaped from prison with the help of Menace himself. They work together for a while and defeats Frankenstein. The Woodhammer then traps Frankenstein to a vine in the Nightmare City Zoo. He then goes off into hiding.
The Woodhammer appears again in Season 10, Episode 6, "The Return of Team Dynamo." There, he was contacted by Dr. Magnus Mysterious and Dr. Zing found him and gave him some frenzy power-ups. During their first encounter with Frankenstein, the Woodhammer vined him and started repeatidly punching him